DE60228873D1 - Digitale linearisierungs schaltung - Google Patents

Digitale linearisierungs schaltung

Info

Publication number
DE60228873D1
DE60228873D1 DE60228873T DE60228873T DE60228873D1 DE 60228873 D1 DE60228873 D1 DE 60228873D1 DE 60228873 T DE60228873 T DE 60228873T DE 60228873 T DE60228873 T DE 60228873T DE 60228873 D1 DE60228873 D1 DE 60228873D1
Authority
DE
Germany
Prior art keywords
distortion
digital
evaluated
model
designed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE60228873T
Other languages
German (de)
English (en)
Inventor
Karl-Goesta Sahlman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Application granted granted Critical
Publication of DE60228873D1 publication Critical patent/DE60228873D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/32—Modifications of amplifiers to reduce non-linear distortion
    • H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
    • H03F1/3258—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits based on polynomial terms
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/32—Modifications of amplifiers to reduce non-linear distortion
    • H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
    • H03F1/3247—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits using feedback acting on predistortion circuits
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2201/00—Indexing scheme relating to details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements covered by H03F1/00
    • H03F2201/32—Indexing scheme relating to modifications of amplifiers to reduce non-linear distortion
    • H03F2201/3209—Indexing scheme relating to modifications of amplifiers to reduce non-linear distortion the amplifier comprising means for compensating memory effects

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Amplifiers (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
DE60228873T 2001-11-12 2002-10-29 Digitale linearisierungs schaltung Expired - Lifetime DE60228873D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0103745A SE520466C2 (sv) 2001-11-12 2001-11-12 Metod och anordning vid en digital linjäriseringskoppling
PCT/SE2002/001958 WO2003043183A1 (en) 2001-11-12 2002-10-29 Digital linearization circuit

Publications (1)

Publication Number Publication Date
DE60228873D1 true DE60228873D1 (de) 2008-10-23

Family

ID=20285937

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60228873T Expired - Lifetime DE60228873D1 (de) 2001-11-12 2002-10-29 Digitale linearisierungs schaltung

Country Status (6)

Country Link
US (1) US7460613B2 (sv)
EP (1) EP1446871B1 (sv)
AT (1) ATE408267T1 (sv)
DE (1) DE60228873D1 (sv)
SE (1) SE520466C2 (sv)
WO (1) WO2003043183A1 (sv)

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US7729419B1 (en) * 2006-11-24 2010-06-01 Kiomars Anvari Reconditioning equalizer filter using convolution
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US7787564B1 (en) * 2007-03-13 2010-08-31 Kiomars Anvari Combined peak reduction equalizer and phase/amplitude pre-distortion
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US8594232B2 (en) * 2008-06-21 2013-11-26 Vyycore Corporation System for predistortion and post-distortion correction of both a receiver and transmitter during calibration
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US7982985B1 (en) * 2009-04-17 2011-07-19 Marvell International Ltd. Method and apparatus for adapting a finite impulse response equalizer in a hard disk drive read channel
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US8644437B2 (en) * 2011-01-07 2014-02-04 Massachusetts Institute Of Technology Digital compensation of a nonlinear system
US8964901B2 (en) 2011-01-07 2015-02-24 Massachusetts Institute Of Technology Analog/digital co-design methodology to achieve high linearity and low power dissipation in a radio frequency (RF) receiver
US8792583B2 (en) * 2011-05-12 2014-07-29 Andrew Llc Linearization in the presence of phase variations
TW201328172A (zh) * 2011-11-17 2013-07-01 Analog Devices Inc 系統線性化技術
US9262566B2 (en) * 2012-03-09 2016-02-16 The Mathworks, Inc. Fast simulation of a radio frequency circuit
US8633769B2 (en) * 2012-03-15 2014-01-21 Telefonaktiebolaget L M Ericsson (Publ) Dual loop adaptation digital predistortion architecture for power amplifiers
US8965290B2 (en) * 2012-03-29 2015-02-24 General Electric Company Amplitude enhanced frequency modulation
US8958470B2 (en) 2012-07-26 2015-02-17 Massachusetts Institute Of Technology Method and apparatus for sparse polynomial equalization of RF receiver chains
CN102984099B (zh) * 2012-11-23 2015-09-02 陕西理工学院 数字预失真分数时延估计与信号对齐方法和***
CN105099972B (zh) * 2012-12-11 2018-05-04 华为技术有限公司 发射机的发射通道间干扰消除方法及装置
US9065425B2 (en) 2013-03-14 2015-06-23 Telefonaktiebolaget L M Ericsson (Publ) Feed-forward linearization without phase shifters
US9172334B2 (en) * 2013-05-09 2015-10-27 King Fahd University Of Petroleum And Minerals Digital predistortion system and method with extended correction bandwidth
EP3000175B1 (en) 2013-05-20 2019-02-27 Analog Devices, Inc. Relaxed digitization system linearization
TWI523442B (zh) 2013-11-22 2016-02-21 Compensation Method of Power Amplification Unit for Radio Frequency Module
US9374112B2 (en) * 2014-09-02 2016-06-21 Texas Instruments Incorporated Capture selection for digital pre-distortion adaptation and capture concatenation for frequency hopping pre-distortion adaptation
US10298349B2 (en) * 2014-12-22 2019-05-21 Telefonaktiebolaget Lm Ericsson (Publ) Receive supervision method and radio unit
US10033413B2 (en) * 2016-05-19 2018-07-24 Analog Devices Global Mixed-mode digital predistortion
US10224970B2 (en) 2016-05-19 2019-03-05 Analog Devices Global Wideband digital predistortion
EP3306817B8 (en) * 2016-10-07 2021-04-21 Rohde & Schwarz GmbH & Co. KG Predistortion system and method
CN107659273B (zh) * 2017-09-26 2021-02-09 东南大学 毫米波宽带功率放大器的可重构数字预失真***及方法
US10666277B2 (en) * 2018-07-23 2020-05-26 Georgia Tech Research Corporation Methods and devices for input signal conversion simulation
CN109274345B (zh) * 2018-11-14 2023-11-03 上海艾为电子技术股份有限公司 一种信号处理方法、装置和***
WO2021086238A1 (en) * 2019-10-29 2021-05-06 Telefonaktiebolaget Lm Ericsson (Publ) Recursive linearization of a non-linear model for an electronic device

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Also Published As

Publication number Publication date
WO2003043183A1 (en) 2003-05-22
SE0103745L (sv) 2003-05-13
US20040247042A1 (en) 2004-12-09
EP1446871A1 (en) 2004-08-18
US7460613B2 (en) 2008-12-02
EP1446871B1 (en) 2008-09-10
SE0103745D0 (sv) 2001-11-12
ATE408267T1 (de) 2008-09-15
SE520466C2 (sv) 2003-07-15

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